diff --git a/mythtv/libs/libmythtv/ringbuffer.cpp b/mythtv/libs/libmythtv/ringbuffer.cpp
index 7a5f744..0062c42 100644
--- a/mythtv/libs/libmythtv/ringbuffer.cpp
+++ b/mythtv/libs/libmythtv/ringbuffer.cpp
@@ -504,15 +504,15 @@ long long RingBuffer::Seek(long long pos, int whence, bool has_lock)
                       ((SEEK_CUR==whence)?"SEEK_CUR":"SEEK_END"))
         .arg(has_lock?"locked":"unlocked"));

-    if (!has_lock)
-    {
-        rwlock.lockForWrite();
-    }
-
     long long ret;

-    if (readInternalMode)
+    if (readInternalMode) // reading readInternal is atomic, so no need for locking
     {
+        LOG(VB_PLAYBACK, LOG_ERR, LOC + QString("internal readmode active"));
+        if (!has_lock)
+        {
+            rwlock.lockForWrite();
+        }
         poslock.lockForWrite();
         // only valid for SEEK_SET & SEEK_CUR
         switch (whence)
@@ -533,6 +533,19 @@ long long RingBuffer::Seek(long long pos, int whence, bool has_lock)
     }
     else
     {
+        LOG(VB_PLAYBACK, LOG_ERR, LOC + QString("internal readmode inactive"));
+        if (dynamic_cast<FileRingBuffer*>(this))
+        {
+            StopReads();
+        }
+        if (!has_lock)
+        {
+            rwlock.lockForWrite();
+        }
+        if (dynamic_cast<FileRingBuffer*>(this))
+        {
+            StartReads();
+        }
         ret = SeekInternal(pos, whence);
     }